Plasmon–Exciton Coupling in Photosystem I Based Biohybrid Photoelectrochemical Cells
Plasmon–Exciton Coupling in Photosystem I Based Biohybrid Photoelectrochemical Cells
复制标题
基于光系统 I 的生物混合光电化学电池中的等离子体激子耦合
DOI：
10.1021/acsabm.8b00249
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发表时间：
2018
影响因子：
4.7
通讯作者：
Wei, Jianjun
中科院分区：
文献类型：
--
作者：
Zeng, Zheng;Mabe, Taylor;Zhang, Wendi;Bagra, Bhawna;Ji, Zuowei;Yin, Ziyu;Allado, Kokougan;Wei, Jianjun
在光电化学电池中，利用光系统I （PSI）的光致特性将太阳能转化为电能。本文研究了纳米狭缝表面等离子体产生（SPG）效率与在不同狭缝宽度的金纳米狭缝电极表面固定PSI实验获得的光电流之间的关系。光电流随SPG效率的增加而增大。这一发现可归因于等离子体-激子耦合效应对纳米缝中PSI的影响。在等离子体光捕获和等离子体诱导共振能量转移的基础上，讨论了增强光电流产生的方法。
The light-induced property of photosystem I (PSI) has been utilized to convert solar energy to electrical energy in photoelectrochemical cells. Here we provide new results on the relationship between surface plasmon generation (SPG) efficiency of nanoslits and the experimentally obtained photocurrent by immobilizing PSI on the gold nanoslit electrode surfaces regarding different nanoslit widths. The photocurrent increases with the increment of SPG efficiency. This finding can be attributed to the phenomenon of plasmon–exciton coupling effect on the PSI in the nanoslits. The enhancement of photocurrent generation is discussed on the basis of plasmonic light trapping and plasmon-induced resonance energy transfer.